Could Billie Eilish and Nat Wolff be tying the knot soon? Fans think so! On the Grammys red carpet Sunday, the Birds of a Feather songstress posed for photogs at the Crypto.com Arena. In the snaps, though, fans couldn't help but notice a huge rock on THAT finger - and it sent rumors swirling! Related: Billie Makes Pointed Statement Against ICE At The Grammys See for yourself (below): (c) MEGA/WENN (c) MEGA/WENN OMG!! Very unique engagement ring if so. It could just be a ring for the big night.